7d42782c41
Print now offers every format the AI pipeline knows (9x13 to 60x90, DIN A6-A2, squares, poster/frame sizes to 70x100, and the screen ratios as physical sizes). When a picture does not match the target ratio the user picks per image between cropping to fill and keeping the whole picture on a border colour - never a stretch. The module is called Passbilder now; /druck redirects. Fixes two real defects: sharp runs extend after resize, so padded cells came out oversized (a 35x45 mm cell became 35x171 mm with a border), and the grid packer rotated a single portrait photo just because more would fit sideways. Mobile: cards become rows, touch targets ~40px, crop editor as a bottom sheet. Verified at 390/820/1440px - all three produce the same PDF.
155 lines
6.8 KiB
TypeScript
155 lines
6.8 KiB
TypeScript
import { test } from 'node:test';
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import assert from 'node:assert/strict';
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import { layout, capacity, cutMarks, effectiveGap, recommendedGap, dpiCheck, type SheetSpec } from '../src/lib/printlayout.ts';
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import { parseSizeMm, mmToPx, mmToPt, paperById, photoById, labelMm } from '../src/lib/paper.ts';
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const A4: SheetSpec = { wMm: 210, hMm: 297, marginMm: 5, gapMm: 12, bleedMm: 0, center: true };
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test('parseSizeMm versteht Tills Schreibweisen', () => {
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assert.deepEqual(parseSizeMm('12x15'), { w: 120, h: 150 });
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assert.deepEqual(parseSizeMm('12 × 15 cm'), { w: 120, h: 150 });
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assert.deepEqual(parseSizeMm('35x45mm'), { w: 35, h: 45 });
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assert.deepEqual(parseSizeMm('5'), { w: 50, h: 50 });
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assert.deepEqual(parseSizeMm('4,5x6'), { w: 45, h: 60 });
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assert.deepEqual(parseSizeMm('4:3 / 15'), { w: 112.5, h: 150 });
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assert.equal(parseSizeMm('quatsch'), null);
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assert.equal(parseSizeMm('9999x1'), null);
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});
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test('mm → px ist exakt (Druckmaß-Nachweis)', () => {
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assert.equal(mmToPx(100, 300), 1181); // 10 cm
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assert.equal(mmToPx(150, 300), 1772); // 15 cm
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assert.equal(mmToPx(300, 300), 3543); // 30 cm → wie Poster 30×40
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assert.equal(mmToPx(400, 300), 4724);
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assert.equal(mmToPx(35, 300), 413); // Passbild
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assert.equal(Math.round(mmToPt(210) * 100) / 100, 595.28); // A4 in pt
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});
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test('Passbild-Bogen: 35×45 mm auf A4 ergibt 20 Stück', () => {
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assert.equal(capacity({ id: 'p', wMm: 35, hMm: 45, allowRotate: false }, A4), 20);
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});
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test('Platzierungen überlappen nicht und bleiben im Satzspiegel', () => {
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const sheet: SheetSpec = { ...A4, gapMm: 6 };
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const res = layout([
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{ id: 'a', wMm: 90, hMm: 130, count: 2 },
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{ id: 'b', wMm: 35, hMm: 45, count: 6 },
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], sheet);
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assert.ok(res.pages.length >= 1);
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for (const pg of res.pages) {
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for (const p of pg.placements) {
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assert.ok(p.x >= sheet.marginMm - 1e-6, 'linker Rand');
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assert.ok(p.y >= sheet.marginMm - 1e-6, 'oberer Rand');
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assert.ok(p.x + p.w <= sheet.wMm - sheet.marginMm + 1e-6, 'rechter Rand');
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assert.ok(p.y + p.h <= sheet.hMm - sheet.marginMm + 1e-6, 'unterer Rand');
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}
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for (let i = 0; i < pg.placements.length; i++)
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for (let j = i + 1; j < pg.placements.length; j++) {
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const a = pg.placements[i], b = pg.placements[j];
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const overlap = a.x < b.x + b.w - 1e-6 && b.x < a.x + a.w - 1e-6
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&& a.y < b.y + b.h - 1e-6 && b.y < a.y + a.h - 1e-6;
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assert.ok(!overlap, `Überlappung ${a.specId}#${a.copy} / ${b.specId}#${b.copy}`);
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}
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}
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});
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test('Abstand hält die Beschnittzugabe der Nachbarn auseinander', () => {
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const sheet: SheetSpec = { ...A4, gapMm: 1, bleedMm: 3 };
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assert.equal(effectiveGap(sheet), 6);
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const res = layout([{ id: 'a', wMm: 50, hMm: 50, count: 4 }], { ...sheet, gapMm: effectiveGap(sheet) });
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const row = res.pages[0].placements.filter((p) => Math.abs(p.y - res.pages[0].placements[0].y) < 1e-6)
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.sort((a, b) => a.x - b.x);
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assert.ok(row.length >= 2);
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assert.ok(row[1].x - (row[0].x + row[0].w) >= 6 - 1e-6);
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});
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test('Eckmarken liegen außerhalb des Endformats', () => {
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const res = layout([{ id: 'a', wMm: 90, hMm: 130, count: 1 }], A4);
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const pg = res.pages[0];
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const lines = cutMarks(pg, A4, { mode: 'corner', lengthMm: 4, offsetMm: 3 });
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assert.equal(lines.length, 8, '4 Ecken × 2 Marken');
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const p = pg.placements[0];
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for (const l of lines) {
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const inside = (x: number, y: number) =>
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x > p.x + 1e-6 && x < p.x + p.w - 1e-6 && y > p.y + 1e-6 && y < p.y + p.h - 1e-6;
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assert.ok(!inside(l.x1, l.y1) && !inside(l.x2, l.y2), 'Marke ragt ins Bild');
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}
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});
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test('Durchgehende Linien laufen nicht durch andere Bilder', () => {
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const sheet: SheetSpec = { ...A4, gapMm: 4 };
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const res = layout([{ id: 'a', wMm: 60, hMm: 80, count: 6 }], sheet);
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const pg = res.pages[0];
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const lines = cutMarks(pg, sheet, { mode: 'grid' });
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assert.ok(lines.length > 0);
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for (const l of lines) {
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for (const p of pg.placements) {
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const hitsX = Math.min(l.x1, l.x2) < p.x + p.w - 1e-3 && Math.max(l.x1, l.x2) > p.x + 1e-3;
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const hitsY = Math.min(l.y1, l.y2) < p.y + p.h - 1e-3 && Math.max(l.y1, l.y2) > p.y + 1e-3;
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assert.ok(!(hitsX && hitsY), 'Linie schneidet ein Motiv');
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}
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}
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});
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test('Zu großes Bild landet in unplaced statt im Nirwana', () => {
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const res = layout([{ id: 'gross', wMm: 300, hMm: 400, count: 1 }], A4);
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assert.equal(res.pages.length, 0);
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assert.equal(res.unplaced[0].specId, 'gross');
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});
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test('Mehr als ein Bogen, wenn die Menge nicht passt', () => {
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const res = layout([{ id: 'a', wMm: 35, hMm: 45, count: 25 }], A4);
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assert.equal(res.pages.length, 2);
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assert.equal(res.pages[0].placements.length, 20);
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assert.equal(res.pages[1].placements.length, 5);
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});
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test('Drehen erlaubt mehr Bilder auf 10×15-Fotopapier', () => {
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const foto: SheetSpec = { wMm: 100, hMm: 150, marginMm: 0, gapMm: 0, bleedMm: 0, center: true };
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const ohne = capacity({ id: 'x', wMm: 100, hMm: 50, allowRotate: false }, foto);
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const mit = capacity({ id: 'x', wMm: 50, hMm: 100, allowRotate: true }, foto);
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assert.equal(ohne, 3);
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assert.ok(mit >= 3);
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});
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test('Empfohlener Abstand macht Platz für Marken', () => {
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assert.equal(recommendedGap('corner', 0, 4, 3), 14);
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assert.equal(recommendedGap('none', 3), 6);
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assert.equal(recommendedGap('grid', 0), 0);
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});
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test('dpi-Warnung greift bei zu kleiner Quelle', () => {
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assert.equal(dpiCheck(1181, 100, 300).ok, true);
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assert.equal(dpiCheck(600, 100, 300).ok, false);
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assert.equal(dpiCheck(1181, 100, 300).dpi, 300);
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});
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test('Formattabellen sind konsistent', () => {
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assert.equal(paperById('A4')!.w, 210);
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assert.equal(paperById('A3plus')!.h, 483);
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assert.equal(photoById('P35x45')!.w, 35);
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assert.equal(photoById('S12x15')!.h, 150);
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assert.equal(labelMm(35, 45), '35 × 45 mm');
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assert.equal(labelMm(120, 150), '12 × 15 cm');
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});
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test('Die gewählte Ausrichtung bleibt, wenn sie nicht mehr Bogen kostet', () => {
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// Ein einzelnes Passbild darf nicht quer gelegt werden, nur weil hochkant
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// mehr auf den Bogen passen würden.
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const res = layout([{ id: 'p', wMm: 35, hMm: 45, count: 1, allowRotate: true }], A4);
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assert.equal(res.pages[0].placements[0].rotated, false);
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assert.equal(res.pages[0].placements[0].w, 35);
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// 25 × 15 cm auf A4 hoch: quer ist es zu breit (250 > 200 mm Nutzbreite),
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// gedreht passt es — dann muss gedreht werden.
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const gross = layout([{ id: 'g', wMm: 250, hMm: 150, count: 1, allowRotate: true }], A4);
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assert.equal(gross.pages.length, 1);
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assert.equal(gross.pages[0].placements[0].rotated, true);
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assert.equal(gross.pages[0].placements[0].w, 150);
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// Ohne Dreherlaubnis bleibt es liegen und wird als „passt nicht" gemeldet.
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const stur = layout([{ id: 'g', wMm: 250, hMm: 150, count: 1, allowRotate: false }], A4);
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assert.equal(stur.pages.length, 0);
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assert.equal(stur.unplaced.length, 1);
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});
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